Merge pull request #919 from karlnapf/master

Made classic GP regression work again
A big update for Tapkee

- Fixed a few VS 2012 compilations
- Parallel MDS
- Parallel
- Callbacks folder rearrangement
- Other improvements
Fixed compilation
Some improvement for multiclass confidences

- Changed the way confidences are stored (array of sgvectors -> sgmatrix)

- Added a unit test for confidences
Fixed MC machine confidences allocation
Merge pull request #920 from karlnapf/master

Some more test fixes
Merge pull request #921 from karlnapf/master

serialisation support for multiclass labels
Add new make option for valgrind
'make valgrind-per-module' command runs valgrind on each
unit testing module separately.
(for Heiko with love ;)
Merge pull request #923 from vigsterkr/master

Add new make option for valgrind
Update MulticlassLabels_unittest.cc
Fix for previous commit.
Left out the dependency for valgrind-per-module command
Add LD_LIBRARY_PATH for xargs in valgrind-per-module
Merge pull request #924 from vigsterkr/master

Fix for valgrind-per-module make command
Fix for issue #929 and #930
Release SGVector gaussian sample in CDataGenerator::generate_gaussians
Merge pull request #931 from vigsterkr/master

Fix for issue #929 and #930
Merge pull request #932 from karlnapf/master

removed parameter registration for multiclass labels again
added an example for multiclass serialization that doesnt work (but runs fine) Once muticlass label serialization work this should be turned into a test
added a test for multiclass serialization
removed wrongly named file
added a provisory test for multiclass label serialization which has to be activated once this works